G EO GRAPHICAL DI S TRIBUT ION OF TH E GENERA CHERAMCECA AND PROGNE.
» lli'^ratory.
Ilird of passage.
llemains locally during tho winter.
Transplanted.
— Winter resident.
^ Aoclimat^,
Q Pcmiainit resident.
Changiiis
Visitor.
V Guest.
t Wanderer.
□ Karely
ffl Generally
H In colonies
1 / !M. I